What is boullionner la gencive?

"Boullionner la gencive" is a French phrase that translates to "to boil the gum" in English. It refers to the process of stimulating the gums, often in a dental context, to promote oral health or prepare for dental treatment. This might involve techniques that increase blood circulation or enhance gum tissue health. The phrase can also metaphorically represent a state of agitation or excitement.